40000828 has 12 divisors (see below), whose sum is σ = 80001712. Its totient is φ = 17143200.

The previous prime is 40000799. The next prime is 40000837. The reversal of 40000828 is 82800004.

40000828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

40000828 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40000799 and 40000808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714273 + ... + 714328.

Almost surely, 2^40000828 is an apocalyptic number.

It is an amenable number.

40000828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40000828 is a wasteful number, since it uses less digits than its factorization.

40000828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428612 (or 1428610 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 40000828 is about 6324.6207791456. The cubic root of 40000828 is about 341.9975490859.

The spelling of 40000828 in words is "forty million, eight hundred twenty-eight", and thus it is an aban number.